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THE RED ERROR LED ON THE FRONT PANEL WILL BE RED IF THERE IS A FAiLURE WITH THE
OUTPUT REGULATOR.
E1
E1E1
E1
Battery reverse connection / reverse polarity (please correct).
E2
E2E2
E2
Battery open circuit protection / low DC voltage (battery not connected / or
battery voltage too low.
E3
E3E3
E3
Battery over current protection (circuit has constant current function; the
controller may be damaged if there is a problem).
E4
E4E4
E4 Load over current / short circuit protection (Turn on the load after eliminating
the error).
E5
E5E5
E5
Battery over voltage (battery damaged or battery voltage too high).
E6
E6E6
E6
PV (solar) input over voltage protection. (PV voltage has exceeded the limit).
E7
E7E7
E7
Over temperature protection, controller will automatically stop charging when
the heat sink temperature is ≥ 90°C; and will resume when the temperature is
≤ 60°C.
E8
E8E8
E8
PV reverse connection (check the voltage and correct) - please ensure polarity is
correct.
Note:
Note: Note:
Note:
Please eliminate the fault according to the error code. If the controller does not
respond after the error is eliminated remove the power source (battery). If the
error persists the controller may be damaged and may need servicing.
The system will automatically adjust the float voltage according to the ambient temperature.
If the external temperature probe is not connected (or the external temperature is <40°C), it
uses (temperature ≥ 20°C - 5°C) by default.
The voltage may vary when the input energy is insufficient to stabilize the energy required
for the float charging.
For 12/24V batteries, when the external probe temperature ≤ 0°C, the float charging voltage
is 14.1/28.2V.
For 12/24V batteries, when the external probe temperature is 0°C~20°C, the float charging
voltage is 13.8/27.6V.
For 12/24V batteries, when the external probe temperature ≥ 20°C, the float charging
voltage is 13.5/27V.
Note:
Note: Note:
Note: If internal head sink temperature exceeds 80°C, the device shall go into approxima-
tely half power mode. Shall resume normal operation when internal head sink drops below 75°C
If internal head sink exceeds 90°C, the device shall turn off. It will resume charging again when
temperature drops below 60°C.
FAILURES
TEMPERATURE SENSOR (ONLY LEAD ACID/AGM BATTERIES)
11


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